gwibber-accounts crashed with ImportError in <module>()

Binary package hint: gwibber

1)
Description: Ubuntu maverick (development branch)
Release: 10.10 (netbook remix)

2)
daniel@daniel-netbook10:~$ apt-cache policy gwibber
gwibber:
  Installed: 2.31.2-0ubuntu1
  Candidate: 2.31.2-0ubuntu1
  Version table:
 *** 2.31.2-0ubuntu1 0
        500 http://de.archive.ubuntu.com/ubuntu/ maverick/main Packages
        100 /var/lib/dpkg/status

3) Error message right after starting the programm

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: gwibber 2.31.2-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-7.12-generic 2.6.35-rc4
Uname: Linux 2.6.35-7-generic i686
NonfreeKernelModules: wl
Architecture: i386
Date: Mon Jul 12 00:24:27 2010
ExecutablePath: /usr/bin/gwibber-accounts
InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Alpha i386 (20100630.1)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gwibber-accounts
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/gwibber-accounts']
SourcePackage: gwibber
Title: gwibber-accounts crashed with ImportError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/lib/pymodules/python2.6/gtk-2.0/gi/__init__.py", line 27, in <module>
     from gi.repository import GObject
 ImportError: cannot import name GObject
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